Top 100 Green Energy startups in USA
Feb 08, 2026
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30
1
Funding: $387.7M
Workhorse is an electric truck manufacturing company that also offers aerial logistics solutions. The company produces several models of medium-duty electric vehicles with batteries of approximately 200 kWh and range of up to 150 miles on a single charge. These models include last-mile delivery van, shuttle bus with flexible seating for up to 14 passengers, school bus, box truck with various wheelbases and a payload capacity of up to 5,000 pounds and work truck with flatbed, flatbed or utility bodies and variety of configurations. The company also sells separate chassis which can be adapted to custom body types. Workhorse has teamed up with fellow electric truck manufacturer Motiv.
Workhorse is an electric truck manufacturing company that also offers aerial logistics solutions. The company produces several models of medium-duty electric vehicles with batteries of approximately 200 kWh and range of up to 150 miles on a single charge. These models include last-mile delivery van, shuttle bus with flexible seating for up to 14 passengers, school bus, box truck with various wheelbases and a payload capacity of up to 5,000 pounds and work truck with flatbed, flatbed or utility bodies and variety of configurations. The company also sells separate chassis which can be adapted to custom body types. Workhorse has teamed up with fellow electric truck manufacturer Motiv.
2
Funding: $17.1M
Addis Energy has developed a new technology for producing ammonia fuel for marine and industrial electricity generation. It first locates underground rocks rich in iron, then injects water, nitrogen and chemical catalyst into these rocks. This causes the oxygen in the water to bond with the iron in the rocks, forming rust and releasing hydrogen, which reacts with the nitrogen to form ammonia. The advantage of this process is that once the startup can implement this reaction on a large scale, ammonia production will be three times cheaper than the traditional process, which requires natural gas subjected to high temperatures and pressures. Besides, Addis' technology is clean, while the traditional ammonia production relies on a fossil fuel dependent chemical reaction called the Haber-Bosch process, which accounts for nearly 2% of carbon emissions annually.
Addis Energy has developed a new technology for producing ammonia fuel for marine and industrial electricity generation. It first locates underground rocks rich in iron, then injects water, nitrogen and chemical catalyst into these rocks. This causes the oxygen in the water to bond with the iron in the rocks, forming rust and releasing hydrogen, which reacts with the nitrogen to form ammonia. The advantage of this process is that once the startup can implement this reaction on a large scale, ammonia production will be three times cheaper than the traditional process, which requires natural gas subjected to high temperatures and pressures. Besides, Addis' technology is clean, while the traditional ammonia production relies on a fossil fuel dependent chemical reaction called the Haber-Bosch process, which accounts for nearly 2% of carbon emissions annually.
3
Funding: $12.3M
Nevoya is a transportation company using exclusively electric trucks. It purchases electric trucks and transports freight for Fortune 500 companies (seeking to lower carbon emissions) at prices comparable to those of similarly sized diesel trucks. Nevoya achieves this efficiency through the use of artificial intelligence. It uses AI to optimize trucking routes, selecting and balancing loads with suitable trucks for maximum efficiency while minimizing energy consumption. The company also uses AI to optimize charging schedules and battery management, as well as early fault detection, thereby reducing maintenance costs.
Nevoya is a transportation company using exclusively electric trucks. It purchases electric trucks and transports freight for Fortune 500 companies (seeking to lower carbon emissions) at prices comparable to those of similarly sized diesel trucks. Nevoya achieves this efficiency through the use of artificial intelligence. It uses AI to optimize trucking routes, selecting and balancing loads with suitable trucks for maximum efficiency while minimizing energy consumption. The company also uses AI to optimize charging schedules and battery management, as well as early fault detection, thereby reducing maintenance costs.
4
Funding: $2.5M
Tobe Energy is developing a new class of electrolyzers that split water into hydrogen and oxygen. According to the company, their membrane-free system reduces equipment costs by up to 75% and will reduce heat generation, which is a significant source of inefficiency in traditional systems. This is achieved through the use of advanced power electronics that control a high-voltage, low-current system, new anode and cathode configuration and the elimination of exotic materials. Tobe's electrolyzer is currently in the experimental prototype stage and costs $446 per kilowatt (kW), that is 45% less than the cheapest of other leading electrolysis technologies, such as alkaline, proton-exchange membrane, solid oxide and anion exchange systems.
Tobe Energy is developing a new class of electrolyzers that split water into hydrogen and oxygen. According to the company, their membrane-free system reduces equipment costs by up to 75% and will reduce heat generation, which is a significant source of inefficiency in traditional systems. This is achieved through the use of advanced power electronics that control a high-voltage, low-current system, new anode and cathode configuration and the elimination of exotic materials. Tobe's electrolyzer is currently in the experimental prototype stage and costs $446 per kilowatt (kW), that is 45% less than the cheapest of other leading electrolysis technologies, such as alkaline, proton-exchange membrane, solid oxide and anion exchange systems.
5
Spero Renewables is developing a "green chemistry" technology for converting plant waste into fuel. Unlike traditional biofuel production processes, which focus on cellulose, which can be fermented into ethanol, Spero focuses on lignin - biopolymer that helps trees grow tall and transport water from their roots to their crowns (known for its resistance to degradation). Lignin is typically burned to produce its calorific value during biomass processing, but Spero has found out how to break down lignin into its molecular components and produce biofuels compatible with gasoline and jet fuel, as well as building blocks that can be used in renewable plastics and renewable materials instead of petroleum products. The company has a partnership with energy giant Shell.
6
Funding: $362.7M
Harbinger manufactures medium-duty commercial electric trucks. Harbinger's scalable chassis is designed to accommodate the most popular medium-duty truck body styles on the road today. Its independent front suspension reduces front overhang and the tightly integrated battery, powertrain and frame provide ample floor height for easier loading and more usable space. Harbinger's specialized powertrain is designed for the harshest commercial trucking conditions and (as advertised) has a 450,000-mile lifespan. The battery packs are available in 35 kWh increments. The company builds fleets for utilities and large corporations and partners with industry leaders in charging infrastructure.
Harbinger manufactures medium-duty commercial electric trucks. Harbinger's scalable chassis is designed to accommodate the most popular medium-duty truck body styles on the road today. Its independent front suspension reduces front overhang and the tightly integrated battery, powertrain and frame provide ample floor height for easier loading and more usable space. Harbinger's specialized powertrain is designed for the harshest commercial trucking conditions and (as advertised) has a 450,000-mile lifespan. The battery packs are available in 35 kWh increments. The company builds fleets for utilities and large corporations and partners with industry leaders in charging infrastructure.
7
Funding: $157.2M
Zanskar specializes in exploration and development of geothermal energy sources. It has developed AI platform for searching for geothermal deposits and constructs power plants at discovered sources. The company uses modern drilling and computational geophysics technologies to discover new resources, de-risk known resources, and mitigate the risk of "dry holes." Zanskar addresses key challenges hindering the rapid expansion of geothermal energy by reducing exploration costs and increasing the size of each geothermal deposit. Zanskar currently holds the industry's largest portfolio of conventional geothermal development projects across the western United States. For example, in 2024, Zanskar acquired the Lightning Dock geothermal power plant, which had been operating at low capacity for several years. In less than a year, Zanskar restored the plant to full capacity and is now supplying power to the grid after discovering and drilling in a deeper, hotter zone.
Zanskar specializes in exploration and development of geothermal energy sources. It has developed AI platform for searching for geothermal deposits and constructs power plants at discovered sources. The company uses modern drilling and computational geophysics technologies to discover new resources, de-risk known resources, and mitigate the risk of "dry holes." Zanskar addresses key challenges hindering the rapid expansion of geothermal energy by reducing exploration costs and increasing the size of each geothermal deposit. Zanskar currently holds the industry's largest portfolio of conventional geothermal development projects across the western United States. For example, in 2024, Zanskar acquired the Lightning Dock geothermal power plant, which had been operating at low capacity for several years. In less than a year, Zanskar restored the plant to full capacity and is now supplying power to the grid after discovering and drilling in a deeper, hotter zone.
8
Funding: $114.5M
Infravision is developing the TX robotic system for the construction, maintenance and repair of high-voltage transmission infrastructure. It consists of drones, ground equipment equipped with sensors and line installation equipment. The latest version of the system includes, as the company describes, "helicopter-level capabilities" that unlike expensive manned aircraft can be used daily and transported by trucks. These technologies make grid construction, maintenance and emergency response significantly faster and safer. Infravision's drone-based system has been proven on some of the largest and most complex transmission line projects in the world, including on the property of energy giant PG&E in California.
Infravision is developing the TX robotic system for the construction, maintenance and repair of high-voltage transmission infrastructure. It consists of drones, ground equipment equipped with sensors and line installation equipment. The latest version of the system includes, as the company describes, "helicopter-level capabilities" that unlike expensive manned aircraft can be used daily and transported by trucks. These technologies make grid construction, maintenance and emergency response significantly faster and safer. Infravision's drone-based system has been proven on some of the largest and most complex transmission line projects in the world, including on the property of energy giant PG&E in California.
9
Funding: $31.2M
Noon Energy is creating multi-day energy storage systems based on reversible solid oxide fuel cells. The system consists of power unit, charging tank (which converts electricity into a carbon-based storage medium, releasing oxygen into the air) and discharging tank (which extracts oxygen from the air to convert the stored energy back into electricity). The company has already demonstrated its battery operating for thousands of hours and claims that the system can operate in discharge mode for up to 200 hours at maximum power. The battery's compact design, according to the company, is 20-200 times smaller in area than other LDES technologies, citing flow batteries and pumped hydroelectric power plants as examples. Noon Energy also claims it uses only about 1% of the critical materials compared to lithium-ion batteries.
Noon Energy is creating multi-day energy storage systems based on reversible solid oxide fuel cells. The system consists of power unit, charging tank (which converts electricity into a carbon-based storage medium, releasing oxygen into the air) and discharging tank (which extracts oxygen from the air to convert the stored energy back into electricity). The company has already demonstrated its battery operating for thousands of hours and claims that the system can operate in discharge mode for up to 200 hours at maximum power. The battery's compact design, according to the company, is 20-200 times smaller in area than other LDES technologies, citing flow batteries and pumped hydroelectric power plants as examples. Noon Energy also claims it uses only about 1% of the critical materials compared to lithium-ion batteries.
10
Funding: $24.3M
Electrified Thermal Solutions creates ultra-high-power, commercial-scale thermal batteries that help manufacturers reduce emissions. Their thermal battery system uses electricity to heat metal oxide refractory bricks for hours and then transfers the stored heat to industrial furnaces, boilers and kilns when needed. The thermal energy is released by blowing air through the brick stacks. The company has already launched its first commercial-scale thermal battery (with a capacity of 20 megawatt-hours) at the Southwest Research Institute in San Antonio. The startup is also partnering with ArcelorMittal to test its thermal storage technology and is considering piloting the system at a steel mill, where it could potentially replace fossil-gas-fired heat.
Electrified Thermal Solutions creates ultra-high-power, commercial-scale thermal batteries that help manufacturers reduce emissions. Their thermal battery system uses electricity to heat metal oxide refractory bricks for hours and then transfers the stored heat to industrial furnaces, boilers and kilns when needed. The thermal energy is released by blowing air through the brick stacks. The company has already launched its first commercial-scale thermal battery (with a capacity of 20 megawatt-hours) at the Southwest Research Institute in San Antonio. The startup is also partnering with ArcelorMittal to test its thermal storage technology and is considering piloting the system at a steel mill, where it could potentially replace fossil-gas-fired heat.
11
Funding: $18.5M
Overview Energy is developing a solar power system that can harvest solar energy from space at night. The startup plans to use large solar arrays in geosynchronous orbit to collect sunlight. It will then use infrared lasers to transmit this energy to large solar power stations on Earth. The company has already demonstrated its power transmission technology: an aircraft transmitted energy via laser to a ground receiver over a distance of 5 kilometers. Microwave beams are less sensitive to clouds and humidity than infrared lasers, which cannot transmit energy in cloudy conditions. However, since microwave systems cannot utilize existing solar power stations, Overview has to build its own ground stations. The startup plans to launch its first satellite in 2028 and begin transmitting power in 2030.
Overview Energy is developing a solar power system that can harvest solar energy from space at night. The startup plans to use large solar arrays in geosynchronous orbit to collect sunlight. It will then use infrared lasers to transmit this energy to large solar power stations on Earth. The company has already demonstrated its power transmission technology: an aircraft transmitted energy via laser to a ground receiver over a distance of 5 kilometers. Microwave beams are less sensitive to clouds and humidity than infrared lasers, which cannot transmit energy in cloudy conditions. However, since microwave systems cannot utilize existing solar power stations, Overview has to build its own ground stations. The startup plans to launch its first satellite in 2028 and begin transmitting power in 2030.
12
Funding: $4.9B
Redwood Materials is a leading battery and electronics recycling company. Founded by Tesla co-founder JB Straubel, the company's primary business is electric vehicle battery recycling. But in addition to car batteries, it recycles phones, laptops, tablets, power tools and any other lithium-ion-containing devices - to recover critical minerals such as lithium, nickel, cobalt, and copper. The company also uses old batteries to create own energy storage systems that supply electricity to data centers and the national power grid. The company also offers the creation of corporate and municipal energy storages. Thanks to using the most affordable domestic batteries, combining used and new batteries and simplifying installation and system design, it offers the most cost-effective energy storage systems on the market.
Redwood Materials is a leading battery and electronics recycling company. Founded by Tesla co-founder JB Straubel, the company's primary business is electric vehicle battery recycling. But in addition to car batteries, it recycles phones, laptops, tablets, power tools and any other lithium-ion-containing devices - to recover critical minerals such as lithium, nickel, cobalt, and copper. The company also uses old batteries to create own energy storage systems that supply electricity to data centers and the national power grid. The company also offers the creation of corporate and municipal energy storages. Thanks to using the most affordable domestic batteries, combining used and new batteries and simplifying installation and system design, it offers the most cost-effective energy storage systems on the market.
13
Funding: $732.5M
Boom Supersonic manufactures supersonic passenger jets and turbines for ground-based power plants. The company's core technology is the turbofan engine, originally designed for supersonic flight. The XB-1 demonstrator aircraft, powered by this engine, became the first civilian aircraft to break the sound barrier. It also served as the basis for the Superpower stationary 42-MW power plant. Boom supplies these turbines with generators, control systems and performs preventive maintenance. The turbines achieve 39% efficiency, which is comparable to competitors. However, Boom is also developing a "field upgrade" to convert its turbines from a simple cycle to a combined cycle, which can recover heat from exhaust gases to increase efficiency above 60%. A key advantage is that Superpower turbogenerators are shipped in a compact shipping container. The company has a contract with Crusoe, an AI infrastructure leader, to supply 29 turbines for AI data centers.
Boom Supersonic manufactures supersonic passenger jets and turbines for ground-based power plants. The company's core technology is the turbofan engine, originally designed for supersonic flight. The XB-1 demonstrator aircraft, powered by this engine, became the first civilian aircraft to break the sound barrier. It also served as the basis for the Superpower stationary 42-MW power plant. Boom supplies these turbines with generators, control systems and performs preventive maintenance. The turbines achieve 39% efficiency, which is comparable to competitors. However, Boom is also developing a "field upgrade" to convert its turbines from a simple cycle to a combined cycle, which can recover heat from exhaust gases to increase efficiency above 60%. A key advantage is that Superpower turbogenerators are shipped in a compact shipping container. The company has a contract with Crusoe, an AI infrastructure leader, to supply 29 turbines for AI data centers.
14
Funding: $186.5M
Standard Nuclear produces TRISO nuclear fuel (from uranium), which is independent of reactor type. The TRISO (TRi-structural ISOtropic) fuel concept was first developed in the 1950s. Poppy-seed-sized uranium particles are coated with ceramic and carbon. They are then packed into larger spheres. This fuel pellet design will be more resistant to meltdown. Standard Nuclear’s modular manufacturing architecture is built for flexibility, allowing us to produce diverse fuel designs on a single production line with minimal switching time and cost. Many nuclear energy startups have announced they will use TRISO in their reactors. The company's clients include Radiant Energy and Nano Nuclear Energy.
Standard Nuclear produces TRISO nuclear fuel (from uranium), which is independent of reactor type. The TRISO (TRi-structural ISOtropic) fuel concept was first developed in the 1950s. Poppy-seed-sized uranium particles are coated with ceramic and carbon. They are then packed into larger spheres. This fuel pellet design will be more resistant to meltdown. Standard Nuclear’s modular manufacturing architecture is built for flexibility, allowing us to produce diverse fuel designs on a single production line with minimal switching time and cost. Many nuclear energy startups have announced they will use TRISO in their reactors. The company's clients include Radiant Energy and Nano Nuclear Energy.
15
Funding: $84M
Avalanche is a fusion energy startup that, unlike its competitors, is trying to create a miniature version of the fusion reactor. Their reactor is only 9 centimeters in diameter (the new version will increase to 25 centimeters and is expected to produce around 1 megawatt). The smaller size allowes Avalanche to speed up the process. The company tests modifications to its devices "sometimes twice a week," which would be difficult and expensive with a larger device. To confine the plasma, Avalanche's reactor uses an extremely high-voltage electric current to attract plasma particles into orbit around an electrode. It also uses magnets to maintain order, although they are nowhere near as powerful as those in a tokamak. As the orbit narrows and the plasma speed increases, the particles begin to collide with each other and fuse.
Avalanche is a fusion energy startup that, unlike its competitors, is trying to create a miniature version of the fusion reactor. Their reactor is only 9 centimeters in diameter (the new version will increase to 25 centimeters and is expected to produce around 1 megawatt). The smaller size allowes Avalanche to speed up the process. The company tests modifications to its devices "sometimes twice a week," which would be difficult and expensive with a larger device. To confine the plasma, Avalanche's reactor uses an extremely high-voltage electric current to attract plasma particles into orbit around an electrode. It also uses magnets to maintain order, although they are nowhere near as powerful as those in a tokamak. As the orbit narrows and the plasma speed increases, the particles begin to collide with each other and fuse.
16
SolarSpace is developing a next-generation concentrated solar power (CSP) technology developed at the University of Arizona's Steward Observatory Mirror Laboratory. Lightweight mirror technology enabled the creation of some of the world's largest mirrors (9.2 m²) that focus sunlight. At the focal point, light enters a small power conversion unit (PCU) through a spherical lens, where it is converted into electricity by small, highly efficient multi-junction solar cells. Patented optics deliver 1,000-fold concentrated sunlight to the cells, distributing it evenly among them, resulting in extremely high overall efficiency. Multiple mirror modules are mounted on a lightweight, dual-axis tracker and aimed directly at the sun, maximizing total power output from sunrise to sunset. SolarSpace has licensed the Transmission Energy Efficiency System (TREES) from NASA and signed a Space Act Agreement with NASA.
17
Funding: $2.9B
Eos produces zinc-based battery energy storage systems. The company's technology overcomes the limitations of traditional lithium-ion batteries paovides discharge time from 3 to 12 hours. The Eos Z3 zinc-based wet battery module includes zinc cathode, aqueous electrolyte, bipolar electrodes and polymer housing. The electrodes offer high mechanical strength, corrosion resistance and chemical stability, ensuring years of operation with virtually no degradation. Furthermore, the bipolar structure simplifies the battery's internal connections, reducing internal resistance and increasing energy conversion efficiency. The company is also developing a software platform for managing the energy storage system, which implements real-time intelligence, advanced control capabilities and AI-based analytics.
Eos produces zinc-based battery energy storage systems. The company's technology overcomes the limitations of traditional lithium-ion batteries paovides discharge time from 3 to 12 hours. The Eos Z3 zinc-based wet battery module includes zinc cathode, aqueous electrolyte, bipolar electrodes and polymer housing. The electrodes offer high mechanical strength, corrosion resistance and chemical stability, ensuring years of operation with virtually no degradation. Furthermore, the bipolar structure simplifies the battery's internal connections, reducing internal resistance and increasing energy conversion efficiency. The company is also developing a software platform for managing the energy storage system, which implements real-time intelligence, advanced control capabilities and AI-based analytics.
18
Funding: $4.9B
Recurrent Energy, a subsidiary of Canadian Solar Inc. (global renewable energy company) that is building one of the world's largest and most geographically diversified platforms for developing, owning and operating solar and energy storage projects. It is a leading global developer, owner and operator of solar and energy storage systems, with over 14 GW of project capacity under long-term operation and maintenance agreements.
Recurrent Energy, a subsidiary of Canadian Solar Inc. (global renewable energy company) that is building one of the world's largest and most geographically diversified platforms for developing, owning and operating solar and energy storage projects. It is a leading global developer, owner and operator of solar and energy storage systems, with over 14 GW of project capacity under long-term operation and maintenance agreements.
19
Funding: $4.8B
Bloom Energy creates fuel-cell systems for local power generation that can utilize a wide range of resources to generate electricity. Bloom Energy Server can use natural gas, biogas and hydrogen as fuel without combustion and is scalable to tens of megawatts. Installation and commissioning of the server can be completed in as little as three months. These servers are often used to power enterprise buildings and data centers. The company has developed proprietary solid oxide fuel cell technology that ensures low CO2 emissions. Bloom Energy also has its own hydrogen production facility at the world's largest solid oxide electrolyzer plant at NASA's Ames Research Center in Mountain View. The company syas, that this high-temperature plant produces 20-25% more hydrogen per MW than commercially demonstrated low-temperature electrolyzers.
Bloom Energy creates fuel-cell systems for local power generation that can utilize a wide range of resources to generate electricity. Bloom Energy Server can use natural gas, biogas and hydrogen as fuel without combustion and is scalable to tens of megawatts. Installation and commissioning of the server can be completed in as little as three months. These servers are often used to power enterprise buildings and data centers. The company has developed proprietary solid oxide fuel cell technology that ensures low CO2 emissions. Bloom Energy also has its own hydrogen production facility at the world's largest solid oxide electrolyzer plant at NASA's Ames Research Center in Mountain View. The company syas, that this high-temperature plant produces 20-25% more hydrogen per MW than commercially demonstrated low-temperature electrolyzers.
20
Funding: $3.9B
Crusoe Energy pioneered bitcoin (BTC) mining by using wasted natural gas as a power source
Crusoe Energy pioneered bitcoin (BTC) mining by using wasted natural gas as a power source
21
Funding: $3.5B
Archer is an aerospace company that developed an electric vertical takeoff and landing aircraft tailored for urban air mobility systems.
Archer is an aerospace company that developed an electric vertical takeoff and landing aircraft tailored for urban air mobility systems.
22
Funding: $3.2B
Sunnova provides low-cost solar power to homes. It owns the equipment, installs it, and also eventually sells the electricity it creates to customers.
Sunnova provides low-cost solar power to homes. It owns the equipment, installs it, and also eventually sells the electricity it creates to customers.
23
Funding: $2.9B
Commonwealth Fusion Systems is collaborating with MIT to create SPARC - the world's first fusion device that produces plasma that generates more energy than consumes. This compact, high-field tokamak will be built using high-temperature superconducting (HTS) magnets. CFS technology uses the new superconductor Rare Earth Barium Copper Oxide (REBCO) to produce the most powerful and most compact fusion magnets. Once SPARC is built, the company plans to build the world's first fusion power plant capable of generating hundreds of megawatts of power. CFS research is funded by the U.S. Department of Energy.
Commonwealth Fusion Systems is collaborating with MIT to create SPARC - the world's first fusion device that produces plasma that generates more energy than consumes. This compact, high-field tokamak will be built using high-temperature superconducting (HTS) magnets. CFS technology uses the new superconductor Rare Earth Barium Copper Oxide (REBCO) to produce the most powerful and most compact fusion magnets. Once SPARC is built, the company plans to build the world's first fusion power plant capable of generating hundreds of megawatts of power. CFS research is funded by the U.S. Department of Energy.
24
Funding: $2.4B
Nexamp is bringing clean energy to homeowners and communities everywhere, and helping them save up to 10% on electricity costs without installing rooftop solar panels.
Nexamp is bringing clean energy to homeowners and communities everywhere, and helping them save up to 10% on electricity costs without installing rooftop solar panels.
26
Funding: $2.1B
Silicon Ranch developer, owner and operator of solar energy facilities in US.
Silicon Ranch developer, owner and operator of solar energy facilities in US.
27
Funding: $2B
Pine Gate Renewables is a U.S. developer of 2-25 MW utility-scale solar farms.
Pine Gate Renewables is a U.S. developer of 2-25 MW utility-scale solar farms.
28
Funding: $1.8B
Beta Technologies manufactures electric vertical takeoff, landing eVTOL aircraft, and recharging pad systems.
Beta Technologies manufactures electric vertical takeoff, landing eVTOL aircraft, and recharging pad systems.
29
Funding: $1.8B
energyRe is at the forefront of North America's energy transition. Building and delivering reliable clean power directly to where people live is not only our opportunity—it is our responsibility.
energyRe is at the forefront of North America's energy transition. Building and delivering reliable clean power directly to where people live is not only our opportunity—it is our responsibility.
30
Funding: $1.8B
EVgo is one of the largest and most advanced electric vehicle fast charging networks in the US, offering over 1,100 industrial-strength fast charging stations. EVgo chargers are compatible with all fast-charging-capable electric vehicles. The company serves electric vehicle drivers, business owners, automakers, self-driving car companies and rideshare drivers. EVgo offers a user-friendly app for drivers, allowing to search for nearby charging stations, track charging sessions, view session summary and ensure safe charging with Autocharge+. Businesses can host an EV fast charging station for their customers. EVgo manages the entire process, from permitting and installation to maintenance and advanced customer service. Turnkey fast charging is available with no upfront or maintenance costs. Acquired by LS Power
EVgo is one of the largest and most advanced electric vehicle fast charging networks in the US, offering over 1,100 industrial-strength fast charging stations. EVgo chargers are compatible with all fast-charging-capable electric vehicles. The company serves electric vehicle drivers, business owners, automakers, self-driving car companies and rideshare drivers. EVgo offers a user-friendly app for drivers, allowing to search for nearby charging stations, track charging sessions, view session summary and ensure safe charging with Autocharge+. Businesses can host an EV fast charging station for their customers. EVgo manages the entire process, from permitting and installation to maintenance and advanced customer service. Turnkey fast charging is available with no upfront or maintenance costs. Acquired by LS Power
31
Funding: $1.7B
X-energy produces the Xe-100 - small modular nuclear reactor. It is a fourth-generation, 80-megawatt high-temperature gas-cooled reactor (HTGR), boasting high stability, efficiency, reliability and safety. The reactor can be scaled into 4-pack power plant thanks to its modular design. Its construction maximizes the use of off-the-shelf components, that can be delivered to the site using existing road and rail routes. The reactor does not rely on any active systems, electrical power or human intervention for safety, i.e. it shuts down and dissipates heat passively (as a result of the low power density). X-energy also produces TRISO-X fuel, which can withstand extreme temperatures. X-energy also aims to produce power systems for lunar bases.
X-energy produces the Xe-100 - small modular nuclear reactor. It is a fourth-generation, 80-megawatt high-temperature gas-cooled reactor (HTGR), boasting high stability, efficiency, reliability and safety. The reactor can be scaled into 4-pack power plant thanks to its modular design. Its construction maximizes the use of off-the-shelf components, that can be delivered to the site using existing road and rail routes. The reactor does not rely on any active systems, electrical power or human intervention for safety, i.e. it shuts down and dissipates heat passively (as a result of the low power density). X-energy also produces TRISO-X fuel, which can withstand extreme temperatures. X-energy also aims to produce power systems for lunar bases.
32
Funding: $1.7B
Redaptive is an Energy-as-a-Service provider that funds and installs energy-saving and energy-generating equipment and manages energy use in buildings.
Redaptive is an Energy-as-a-Service provider that funds and installs energy-saving and energy-generating equipment and manages energy use in buildings.
33
Funding: $1.6B
Form Energy develops and manufactures multi-day energy storage systems based on iron-air batteries. These batteries are capable cost-effectively store energy for 100 consecutive hours (unlike lithium-ion batteries, which can only provide energy for a few hours). The batteries are made from safe, inexpensive and abundant materials: iron, water and air. Form Energy operates its own large-scale battery manufacturing facility in West Virginia. The company also develops software for modeling renewable energy systems that take into account modern energy market.
Form Energy develops and manufactures multi-day energy storage systems based on iron-air batteries. These batteries are capable cost-effectively store energy for 100 consecutive hours (unlike lithium-ion batteries, which can only provide energy for a few hours). The batteries are made from safe, inexpensive and abundant materials: iron, water and air. Form Energy operates its own large-scale battery manufacturing facility in West Virginia. The company also develops software for modeling renewable energy systems that take into account modern energy market.
34
Funding: $1.6B
Bright Night provides renewable power solutions in a safe and reliable way.
Bright Night provides renewable power solutions in a safe and reliable way.
35
Funding: $1.5B
TAE Technologies is on a course to commercial fusion energy. It's fusion machine design is compact and linear so a commercial fusion power plant would be easily expandable for mass manufacturing. TAE is pursuing fusion with hydrogen-boron (a.k.a. p-B11 or p11B) because it is plentiful and radiation-free, making it the most sustainable option for running and maintaining commercial fusion power plants. TAE’s method to generate fusion power is called Advanced beam-driven Field-Reversed Configuration (FRC). All together, TAE’s approach to fusion can deliver a affordable product that has high energy density, high availability of fuel and no risk of pollution, proliferation, breakdown or toxic waste, making it the ultimate clean energy source.
TAE Technologies is on a course to commercial fusion energy. It's fusion machine design is compact and linear so a commercial fusion power plant would be easily expandable for mass manufacturing. TAE is pursuing fusion with hydrogen-boron (a.k.a. p-B11 or p11B) because it is plentiful and radiation-free, making it the most sustainable option for running and maintaining commercial fusion power plants. TAE’s method to generate fusion power is called Advanced beam-driven Field-Reversed Configuration (FRC). All together, TAE’s approach to fusion can deliver a affordable product that has high energy density, high availability of fuel and no risk of pollution, proliferation, breakdown or toxic waste, making it the ultimate clean energy source.
36
Funding: $1.5B
Qcells is a utility-scale solar developer, energy storage developer, and solar EPC provider.
Qcells is a utility-scale solar developer, energy storage developer, and solar EPC provider.
37
Funding: $1.5B
QuantumScape is a renewable energy company that develops solid-state battery technology to increase the range of electric cars.
QuantumScape is a renewable energy company that develops solid-state battery technology to increase the range of electric cars.
38
Funding: $1.5B
Fervo Energy is developing proprietary technology for developing and operating geothermal assets. Like its main competitors, Fervo uses hydraulic fracturing and directional drilling techniques borrowed from the oil and gas industry. However, Fervo can drill faster and deeper than existing geothermal developers to exploit hotter rocks and generate more energy at a lower cost. The startup is completing construction of its first large-scale power plant and has begun developing several other sites in the western US, where hot rocks are closer to the surface. Among its key investors is Google, which views geothermal energy as a potential solution for its data centers.
Fervo Energy is developing proprietary technology for developing and operating geothermal assets. Like its main competitors, Fervo uses hydraulic fracturing and directional drilling techniques borrowed from the oil and gas industry. However, Fervo can drill faster and deeper than existing geothermal developers to exploit hotter rocks and generate more energy at a lower cost. The startup is completing construction of its first large-scale power plant and has begun developing several other sites in the western US, where hot rocks are closer to the surface. Among its key investors is Google, which views geothermal energy as a potential solution for its data centers.
39
Funding: $1.4B
Sila Nanotechnologies is a provider and manufacturer of revolutionary car batteries.
Sila Nanotechnologies is a provider and manufacturer of revolutionary car batteries.
40
Funding: $1.4B
TerraPower is developing compact modular nuclear reactors with a closed fuel cycle. Its goal is to make nuclear energy safer and cheaper, while also minimizing radioactive waste. It was co-founded by Bill Gates and partners with GE Hitachi Nuclear Energy. Its sodium-cooled fast reactor, Natrium has capacity up to 345 MW, has a molten salt heat storage system and uses innovative liquid metal cooling. Its advantage is its flexible power output, allowing it to respond to fluctuating demand when combined with renewable energy sources. It uses liquid sodium as a coolant and highly enriched uranium (HALEU) as fuel (although the company is experiencing supply issues). The demonstration reactor project is expected to be operational by 2030.
TerraPower is developing compact modular nuclear reactors with a closed fuel cycle. Its goal is to make nuclear energy safer and cheaper, while also minimizing radioactive waste. It was co-founded by Bill Gates and partners with GE Hitachi Nuclear Energy. Its sodium-cooled fast reactor, Natrium has capacity up to 345 MW, has a molten salt heat storage system and uses innovative liquid metal cooling. Its advantage is its flexible power output, allowing it to respond to fluctuating demand when combined with renewable energy sources. It uses liquid sodium as a coolant and highly enriched uranium (HALEU) as fuel (although the company is experiencing supply issues). The demonstration reactor project is expected to be operational by 2030.
41
Funding: $1.2B
TeraWatt Infrastructure operates an electric vehicle charging infrastructure for medium and heavy-duty transport and fleets.
TeraWatt Infrastructure operates an electric vehicle charging infrastructure for medium and heavy-duty transport and fleets.
42
Funding: $1.2B
Base Power is a modern power firm for the electric era that has built a reliable and affordable residential energy service.
Base Power is a modern power firm for the electric era that has built a reliable and affordable residential energy service.
43
Funding: $1.2B
Group14 Technologies produces silicon-carbon composite materials for lithium-ion batteries (an alternative to graphite). Its flagship silicon battery material, SCC55, allows batteries to charge in minutes, withstand extreme charge-discharge cycles and last up to 50% longer than traditional lithium-ion batteries. It is used in smartphones, electric vehicle batteries and vertical takeoff and landing aircraft. The company has factories in South Korea, Germany and the United States and manages a global battery supply chain.
Group14 Technologies produces silicon-carbon composite materials for lithium-ion batteries (an alternative to graphite). Its flagship silicon battery material, SCC55, allows batteries to charge in minutes, withstand extreme charge-discharge cycles and last up to 50% longer than traditional lithium-ion batteries. It is used in smartphones, electric vehicle batteries and vertical takeoff and landing aircraft. The company has factories in South Korea, Germany and the United States and manages a global battery supply chain.
44
Funding: $1.2B
Nextracker creates smart solartracker solutions that improve the performance of solar PV plants.
Nextracker creates smart solartracker solutions that improve the performance of solar PV plants.
46
Funding: $1.1B
Infinium offers an electrofuels solution to decarbonize the transportation sector using today’s infrastructure.
Infinium offers an electrofuels solution to decarbonize the transportation sector using today’s infrastructure.
47
Funding: $1.1B
Longroad Energy builds and acquires wind and solar power plants in USA. The company operates over 75 large-scale projects of approximately 25 GW, including remote monitoring, asset management, on-site technical support and full back-office support. Its real estate and development experts acquire leases, options, easements, mineral rights and title insurance necessary for the construction and operation of solar, wind, and energy storage farms.
Longroad Energy builds and acquires wind and solar power plants in USA. The company operates over 75 large-scale projects of approximately 25 GW, including remote monitoring, asset management, on-site technical support and full back-office support. Its real estate and development experts acquire leases, options, easements, mineral rights and title insurance necessary for the construction and operation of solar, wind, and energy storage farms.
48
Funding: $1B
Helion Energy uses fusion energy to provide pure, safe electricity. Helion's fusion generator elevates fusion (Deuterium and helium-3) fuel to temperatures greater than 100 million degrees Celsius to achieve plasma conditions and directly obtains electricity with a high-efficiency pulsed approach. Magnets confine the plasma in a Field Reversed Configuration (FRC) and speed up two FRCs to 1 million mph from opposite ends of the generator. When the FRCs collide in the center of the system, they are further compressed by a strong magnetic field until they reach fusion temperatures greater than 100 million degrees Celsius (9 keV). At this temperature, the deuterium and helium-3 ions are moving fast enough to surpass the forces that would otherwise keep them apart, and they fuse. This emits more energy than is consumed by the fusion process. As new fusion energy is generated, the plasma enlarges.
Helion Energy uses fusion energy to provide pure, safe electricity. Helion's fusion generator elevates fusion (Deuterium and helium-3) fuel to temperatures greater than 100 million degrees Celsius to achieve plasma conditions and directly obtains electricity with a high-efficiency pulsed approach. Magnets confine the plasma in a Field Reversed Configuration (FRC) and speed up two FRCs to 1 million mph from opposite ends of the generator. When the FRCs collide in the center of the system, they are further compressed by a strong magnetic field until they reach fusion temperatures greater than 100 million degrees Celsius (9 keV). At this temperature, the deuterium and helium-3 ions are moving fast enough to surpass the forces that would otherwise keep them apart, and they fuse. This emits more energy than is consumed by the fusion process. As new fusion energy is generated, the plasma enlarges.
49
Funding: $913M
The Boring Company aims to dig tunnels efficiently to facilitate an underground transportation network.
The Boring Company aims to dig tunnels efficiently to facilitate an underground transportation network.
50
Funding: $900M
Pacific Fusion is developing a high-gain pulsed magnetic fusion system. Pulsed magnetic fusion involves rapidly compressing a fuel in a container with a powerful magnetic field created by passing high, rapidly increasing electric current through it. This compression heats and inertially holds the fuel, converting hydrogen into helium and releasing massive amounts of energy. The company has eliminated the magnetic system to simplify the system and its maintenance requirements. The system is highly modular, enabling affordable manufacturing and rapid iteration. It uses commonly available materials, simplifying supply chains. The modular pulser can be optimized for a wide range of target designs.
Pacific Fusion is developing a high-gain pulsed magnetic fusion system. Pulsed magnetic fusion involves rapidly compressing a fuel in a container with a powerful magnetic field created by passing high, rapidly increasing electric current through it. This compression heats and inertially holds the fuel, converting hydrogen into helium and releasing massive amounts of energy. The company has eliminated the magnetic system to simplify the system and its maintenance requirements. The system is highly modular, enabling affordable manufacturing and rapid iteration. It uses commonly available materials, simplifying supply chains. The modular pulser can be optimized for a wide range of target designs.
